The rate of effusion of a particular gas was measured and found to be 26.0 mL/min. Under the same conditions, the rate of effusion of pure methane () gas is 47.8 mL/min. What is the molar mass of the unknown gas? Mass =  g/mol

Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter5: Gases
Section: Chapter Questions
Problem 5CO: perform stoichiometric ca1cu1uions for reactions involving gases as reactants or products.
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The rate of effusion of a particular gas was measured and found to be 26.0 mL/min. Under the same conditions, the rate of effusion of pure methane () gas is 47.8 mL/min. What is the molar mass of the unknown gas?

Mass =  g/mol

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